Schierle Siyaya
Nickel-based alloys

2.4889

Alloy 45 TM

NiCr28FeSiCe

Silicon- and cerium-bearing nickel-chromium alloy for high-temperature service in extremely corrosive media such as oil-ash corrosion, combustion gases and sulphur dioxide.

Chemical composition

mass %
ElementContent
CCarbon0.05–0.12
SiSilicon2.5–3
MnManganese≤1
PPhosphorus≤0.02
SSulphur≤0.011
CrChromium26–29
NiNickelbalance
AlAluminium≤0.2
CuCopper≤0.3
FeIron21–25
CeCerium0.03–0.08

Mechanical properties

room temperature
Scaling temperature (°C)
750

Standard equivalences

DIN/EN
NiCr28FeSiCe
AISI
Alloy 45 TM
UNS
N06045

Typical applications

  • Waste incineration
  • Refinery furnaces
  • Chemical industry and coal gasification
  • Industrial furnace construction

Frequently asked questions

What is 2.4889 (Alloy 45 TM)?

2.4889 (NiCr28FeSiCe) — Nickel-based alloys. Silicon- and cerium-bearing nickel-chromium alloy for high-temperature service in extremely corrosive media such as oil-ash corrosion, combustion gases and sulphur dioxide.

Which grades are equivalent to 2.4889?

2.4889 corresponds to EN NiCr28FeSiCe; equivalent designations: AISI Alloy 45 TM, UNS N06045.

Related grades

Indicative values — verify against the applicable standard before specifying.

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